 | | Re: How much memory finally?
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Thank for the answer, Dave, this is the kind of info I'm looking for. BUT! I don't think it is correct: 0x8000 is 32k: the firmware would start at the end of memory!?! 0xbfff is 48k: unless the 16k of the rom are counted of course... Then this mean (...) (26 years ago, 10-Feb-00, to lugnet.robotics.rcx)
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| | Re: Tactical Robot - A robot that play a board game REALLY!!!
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-- ___...___ Ferrara Francesco Jeffrey Baldwin <Heatwaaave@aol.com> wrote in message news:FpGE5u.B4w@lugnet.com... (...) know (...) TAR Know when it win, and make some sounds when it is in advantage... (relative to its score!) I have spent 2-3 (...) (26 years ago, 6-Feb-00, to lugnet.robotics, lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
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| | Re: How much memory finally?
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(...) I believe it has a 16K ROM and 32K SRAM. Within the 32K, 16K is occupied by the 'firmware' downloaded to the RCX. About 6K is reserved for bytecode program space and the datalog. Presumably the rest is working memory for the firmware (stack, (...) (26 years ago, 10-Feb-00, to lugnet.robotics.rcx)
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| | Re: How much memory finally?
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(...) If I remember correctly the RCX has a 16kROM for the basic routines. It has 32k RAM for firmware and programs. The scout has 32K ROM and only 1K RAM (400bytes for your program) Dean (26 years ago, 9-Feb-00, to lugnet.robotics.rcx)
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| | Re: rcx 1.0 and an ac adaptor
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(...) The 'official' adapter, is 10VAC, 0.7A. I have seen one person who blew the rectification bridge, and he simply replaced this himself ((it was an old unit). There are two 'possibly combined' problems. DC, puts all the load on just one pair of (...) (26 years ago, 9-Feb-00, to lugnet.robotics.rcx)
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| | How much memory finally?
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I'm trying to figure out how much memory the RCX has. Many sources claims that it has - 16k rom - 16k ram for the firmware - 6k reserved for our own programs Does this mean the RCX has 22k of RAM memory? What an odd number... Also, when I perform (...) (26 years ago, 9-Feb-00, to lugnet.robotics.rcx)
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| | Re: rcx 1.0 and an ac adaptor
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(...) (26 years ago, 9-Feb-00, to lugnet.robotics.rcx)
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| | Re: Radio Shack CDS cells in parallel
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(...) ----- True, but the RS CDS cells are cheap and using them in parallel or series also changes the response range, since all the resistances change with light levels. This would be most dramatic in the series connected case at the low resistance (...) (26 years ago, 9-Feb-00, to lugnet.robotics.rcx)
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| | Re: Radio Shack CDS cells in parallel
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(...) I built a sensor out of one of those and it works fine, so yours is probably defective. I superglued mine to the top of a 2x2 brick with the studs removed. You can see my high tech design at (URL)I tried this idea and it worked. You can put (...) (26 years ago, 8-Feb-00, to lugnet.robotics.rcx)
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| | Re: rcx 1.0 and an ac adaptor
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(...) According to Knudsen's book, AC or DC in either polarity is fine (which is great!). That's the only place I've seen the input characteristics mentioned, is there an "official" spec anywhere? One thing you might want to be careful of: I read (...) (26 years ago, 8-Feb-00, to lugnet.robotics.rcx)
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| | rcx 1.0 and an ac adaptor
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I have an rcx 1.0 and a universal adaptor (the kind with the different plug sizes and voltage settings). Two questions: (1) Do i have to worry about polarity? I found the right size adaptor, plugged it in, and it worked fine. Did i get lucky or is (...) (26 years ago, 8-Feb-00, to lugnet.robotics.rcx)
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| | Radio Shack CDS cells in parallel
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When I first checked out the Radio Shack CDS cell five packs, the cells were all alike, about 1/4 inch and flat on two sides. But when I went back, I found some packs that had different cells. They had three of the usual small ones and a 1/2 inch (...) (26 years ago, 8-Feb-00, to lugnet.robotics.rcx)
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| | RCX.pm 0.7 released
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I would like to announce the release of version 0.7 of RCX.pm. This perl module allows you to communicate with your RCX. It has been developed and tested under Linux, though it most likely will run under other UNIX's. To find out more information (...) (26 years ago, 6-Feb-00, to lugnet.robotics.rcx)
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| | Re: lego photo scanner... Quite C?
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(...) Y'know, this is a cute name, but it's kind of confusing! (26 years ago, 5-Feb-00, to lugnet.robotics.rcx.nqc, lugnet.robotics.rcx)
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| | RE: Tactical Robot - A robot that play a board game REALLY!!!
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(...) original LEGO firmware can be busted wide open when you look at alternative firmware. In Francesco's case, packaging a C library for everyone is a big step forward. Many of you may remember that Kekoa's original C interface to the ROM was done (...) (26 years ago, 5-Feb-00, to lugnet.robotics, lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
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| | Re: Tactical Robot - A robot that play a board game REALLY!!!
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WOW! I didn't know any thing like that was possible with the RCX. Does it know when it wins? How long did it take to program? Thats incredibly. (...) (26 years ago, 5-Feb-00, to lugnet.robotics, lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
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| | Tactical Robot - A robot that play a board game REALLY!!!
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I have done a 5-level depth robot that play a real board game (URL) Francesco (26 years ago, 5-Feb-00, to lugnet.robotics, lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
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| | Re: lego photo scanner... Quite C?
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Are you using Quite C? -- ___...___ Ferrara Francesco Jay <getochkn@home.com> wrote in message news:Fp0z10.D4H@lugnet.com... (...) (26 years ago, 4-Feb-00, to lugnet.robotics.rcx.nqc, lugnet.robotics.rcx)
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| | Re: RCX.pm 0.6 released
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I almost forgot the change list. I added some POSIX serial port controll. It shold now set you serial port correctly. If you have any problems or suggestions please let me know. John C. Quillan quillan@doitnow.com (...) (26 years ago, 4-Feb-00, to lugnet.robotics.rcx)
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| | RCX.pm 0.6 released
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I would like to announce the release of version 0.6 of RCX.pm. This perl module allows you to communicate with your RCX. It has been developed and tested under Linux, though it most likely will run under other UNIX's. To find out more information (...) (26 years ago, 4-Feb-00, to lugnet.robotics.rcx)
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